the history of 9/11. >> many of the kids we spoke to agree. >> the united states should have that in their curriculum because -- because everybody's affected by it. >> i think this should be taught in school because teens should have a right to know about this -- about what happened. >> the tribute center is packed with exhibits. it also runs special programs for students, as well as guided walking tours of the area. >> for mr. ielpi, the center is very personal. his son jonathan, a firefighter, died on 9/11. that's his helmet and coat, along with photos of comrades who gave their lives trying to save others. an important part of the tribute center is a look at what happened aft9/11. the center believes that through education comes understanding. that's why visitors are asked to share their thoughts. for more information on the 9/11 tribute center, follow the link on our website. >> mememorials in steel and stoe are only one of f the many wayse remember those who died in the attacks on tuesday, september 11, 2001. another lasting legacy is the creation of tuesday's children.